Module: Polygon Shape Indices
(c) 2008 by O.Conrad
Menu: Shapes > Polygons
Description
Various indices describing the shape of polygons. Based on area, perimeter, maximum distance between the vertices of a polygon.
- Interior Edge Ratio (Perimeter / Area)
- Shape Index (Perimeter / (2 * SquareRoot(PI * Area))
References:
Lang, S., Blaschke, T. (2007): Landschaftsanalyse mit GIS.
Forman, R.T.T., Godron, M. (1986): Landscape Ecology. Cambridge.
Parameters
Name | Type | Identifier | Description | Constraints |
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Input |
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Shapes | Shapes (input) | SHAPES | | |
Output |
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Shape Index (*) | Shapes (optional output) | INDEX | | |
(*) optional